| Romaji: | Monster Sonic! D'Artagnan no Idol Sengen | 
| Japanese: | モンソニ! ダルタニャンのアイドル宣言 | 
| English: | Monster Sonic! D'Artagnyan's Rise to Fame | 
                            
                            | Score: | 5.81 (741) | 
| Popularity: | 11183 | 
| Rank: | 11291 | 
| Type: | ONA | 
| Rating: | PG-13 - Teens 13 and Older | 
| Episodes: | 5 | 
| Duration: | 14 min | 
| Broadcast: | 2017-06-14 to 2017-07-19 | 
| Status: | Finished Airing | 
| Source: | Game | 
| Studios: | LIDENFILMS | 
| Season: | Spring | 
When D'Artagnan went to Tokyo for a little fun, she spotted an unforgettable sight: Lucifer singing while basking in moonlight in a park. From that moment, no matter if she was asleep or awake, D'Artagnan's heart would not stop throbbing for some reason. One day, D'Artagnan sees a concert by the popular idol act Angely Diva at her friend Izumo's invitation. There, she resolved to follow her idol dreams, and the story of song and miracles begins. (Source: ANN)
| Other: | Monster Strike Anime | 
| Prequel: | Monster Sonic!: Senritsu no Lucifer, Tada Hitotsu no Hajimari no Uta | 
| Side story: | Wishing |